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Masaie Tokai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous vacuum processing apparatus
    • Patent number 5,102,279
    • Issue date Apr 7, 1992
    • Hitachi, Ltd.
    • Shinobu Ezaki
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Continuous vacuum processing apparatus
    • Patent number 5,016,561
    • Issue date May 21, 1991
    • Hitachi, Ltd.
    • Masaie Tokai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL